Lindsay Lohan, 40, Sparks Frenzy by Returning to Her Redhead Roots The grown-up child star’s transformation caused a stir on social media, prompting fans to request a ‘Parent Trap’ reboot. Mean Girls star Lindsay Lohan, 40, has dyed her naturally ginger hair a pale shade of blond for nearly two years. In the pictures, the grown-up child actress smiled brightly while looking at the camera, her shiny red hair in soft waves. Lindsay Lohan has been a blonde for the last two years. Lindsay Lohan became a household name after she played twins Annie and Hallie in the 1998 comedy, “The Parent Trap.”